Heat Transfer At constant temperature, the thermal conductivities of gases __________ with rise in pressure. Increase Decrease Remain unchanged May increase or decrease; depends on the pressure Increase Decrease Remain unchanged May increase or decrease; depends on the pressure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Economy of an evaporator is influenced by the Both B & C Steam pressure Feed temperature Number of effect Both B & C Steam pressure Feed temperature Number of effect ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The heat transfer by radiation from a mild steel surface is to be reduced by reducing the emissivity of the surface. This can be best achieved by Painting the surface black Painting the surface white (with aluminium paint) Giving the surface a mirror finish Roughening the surface Painting the surface black Painting the surface white (with aluminium paint) Giving the surface a mirror finish Roughening the surface ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A measure of the extent to which viscous heating is important relative to the heat flow resulting from the impressed temperature difference is represented by the __________ number. Condensation Grashoff Stantan Brinkman Condensation Grashoff Stantan Brinkman ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Correction is applied to LMTD for __________ flow. None of these Counter Cross Parallel None of these Counter Cross Parallel ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Vibrations in the tubes of a shell and tube heat exchanger is induced due to the All of these Vibrations transmitted through piping and/or supports due to external reasons Oscillations in the flow of shell/tube sides fluid Flow of fluid on the tube and shell sides All of these Vibrations transmitted through piping and/or supports due to external reasons Oscillations in the flow of shell/tube sides fluid Flow of fluid on the tube and shell sides ANSWER DOWNLOAD EXAMIANS APP
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